Jesus says YOU won't be forgiven if you do not forgive others.
God did not put it in one's mind and not another's before he or she forgave.
God tells everyone that they have to forgive or God won't forgive you.
How are you saved if you are not forgiven?
Mat_6:12 And forgive us our debts, as we forgive our debtors.
Mat_6:14 For if ye forgive men their trespasses, your heavenly Father will also forgive you:
Mat_6:15 But if ye forgive not men their trespasses, neither will your Father forgive your trespasses.
Things that are different are not the same.
Eph_4:32 And be ye kind one to another, tenderhearted, forgiving one another, even as God for Christ's sake hath forgiven you.
Col_2:13 And you, being dead in your sins and the uncircumcision of your flesh, hath he quickened together with him, having forgiven you all trespasses;